| 2629829 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Assignments | | Assigned | User | Work Type | Stage | % Done | Updated | Est Complete | Expired |
|---|
| 2025-09-22 | JackBlock | ECM | | | 2026-01-28 | 2026-02-01 | |
|
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 63 / 280 |
Estimated T-Level: 21.1 ⓘ TF below 2^65 is very unlikely to find new factors due to ECM effort. |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-17 | Oliver Kruse | A20E44F81386CDF9 | 1 | 647446 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-02 | storm5510 | A20E44F81386CDF9 | 1 | 708200 | 5 | 3 | | Verified | Certified Good | 2025-08-07 | Michel Yamagishi | A20E44F81386CDF9 | 2 | 2218941 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-08-09 | Oliver Kruse | CERT | Proof certified good | | 2025-08-07 | Michel Yamagishi | C-PRP | M2629829/2861253953/624196297317941001791930959 : A20E44F81386CDF9 Proof Certified Good
Proof Power: 7
| | 2025-08-01 | debrouxl | F-ECM | Factor: 624196297317941001791930959 / ECM curve 5, B1=63687, B2=9361989, Montgomery Sigma=2679254617069548 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2629829/2861253953 : A20E44F81386CDF9 | | 2017-10-17 | Oliver Kruse | C-PRP | M2629829/2861253953 : A20E44F81386CDF9 |
|
